/*
 *    Copyright (c) 2006 ThoughtWorks, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.thoughtworks.turtlemock.constraint;

public class TypeOfConstraint implements Constraint {
    private Class expectedType;

    public TypeOfConstraint(Class expectedType) {
        this.expectedType = expectedType;
    }

    public CheckResult check(Object param) {
        boolean check = param != null && expectedType == param.getClass();
        String paramType = param == null ? "null" : param.getClass().toString();
        return new CheckResult("expected type: " + expectedType + ", actual was: " + paramType, check);
    }
}
